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Search results for photonic

Bio & Medicine Sep 30, 2025

Braided nanostructures reveal 3D tapestry behind vibrant green butterfly coloration

The metamorphosis of butterflies from larvae to pupae to adulthood is a natural wonder. By investigating the developmental processes that occur within the pupa, transforming it into a butterfly, scientists have discovered ...

Plants & Animals Sep 30, 2025

Venus flytrap's touch response traced to specialized ion channel in sensory hairs

Plants lack nerves, yet they can sensitively detect touch from other organisms. In the Venus flytrap, highly sensitive sensory hairs act as tactile sensing organs; when touched twice in quick succession, they initiate the ...

Astronomy Sep 29, 2025

New instrument at SOAR achieves first light with observations of remarkable binary star system

The SOAR Telescope, located on Cerro Pachón in Chile, has received a major upgrade with the installation of the SOAR Telescope Echelle Spectrograph (STELES). The long-awaited instrument achieved first light in August with ...

Optics & Photonics Sep 29, 2025

Electrically tunable metasurface unlocks real-time THz holography

The terahertz (THz) band of the electromagnetic spectrum holds immense promise for next-generation technologies, including high-speed wireless communication, advanced encryption, and medical imaging. However, manipulating ...

Optics & Photonics Sep 28, 2025

Scientists achieve electrically driven perovskite laser using dual-cavity design

In a recent Nature study, scientists have demonstrated an electrically driven perovskite laser using a dual-cavity design, addressing a challenge that has persisted in the field for over a decade.

Analytical Chemistry Sep 26, 2025

Luminescence characteristics of Eu-doped CaFâ‚‚ crystals vary with radiation type, study shows

Scintillators convert radiation energy into light and are utilized in a variety of fields including medicine and security. Of the many scintillators, Eu (europium)-doped CaFâ‚‚ (calcium fluoride) crystals stand out due to ...

Condensed Matter Sep 26, 2025

New perspectives on light-matter interaction: How virtual charges influence material responses

Understanding what happens inside a material when it is hit by ultrashort light pulses is one of the great challenges of matter physics and modern photonics. A new study published in Nature Photonics and led by Politecnico ...

Nanophysics Sep 26, 2025

Stretchable light-emitting material holds promise for photon-based devices

A research team led by the California NanoSystems Institute at UCLA, or CNSI, demonstrated a new type of light-emitting material expected to be suitable for photonics—devices based on light in the same way that today's ...

Optics & Photonics Sep 25, 2025

Proven quantum advantage: Researchers cut the time for a learning task from 20 million years to 15 minutes

Amid high expectations for quantum technology, a new paper in Science reports a proven quantum advantage. In an experiment, entangled light has allowed researchers to learn a system's noise with very few measurements.

Optics & Photonics Sep 25, 2025

Light-driven thermal barriers control fluid flow in three dimensions

Scientists at the Department of Applied Âé¶¹ÒùÔºics II of the University of Malaga have participated in the design of a new technology that controls fluids and particles in three dimensions through virtual thermal barriers generated ...

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